text: /* md5.h
   *
   * Copyright (C) 2006-2017 wolfSSL Inc.
   *
   * This file is part of wolfSSL.
   *
   * wolfSSL is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * wolfSSL is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
   */
  
  /*!
      \file wolfssl/wolfcrypt/md5.h
  */
  
  
  #ifndef WOLF_CRYPT_MD5_H
  #define WOLF_CRYPT_MD5_H
  
  #include <wolfssl/wolfcrypt/types.h>
  
  #ifndef NO_MD5
  
  #ifdef HAVE_FIPS
      #define wc_InitMd5   InitMd5
      #define wc_Md5Update Md5Update
      #define wc_Md5Final  Md5Final
      #define wc_Md5Hash   Md5Hash
  #endif
  
  #ifdef __cplusplus
      extern "C" {
  #endif
  
  #ifndef NO_OLD_WC_NAMES
      #define Md5             wc_Md5
      #define MD5             WC_MD5
      #define MD5_BLOCK_SIZE  WC_MD5_BLOCK_SIZE
      #define MD5_DIGEST_SIZE WC_MD5_DIGEST_SIZE
      #define WC_MD5_PAD_SIZE WC_MD5_PAD_SIZE
  #endif
  
  /* in bytes */
  enum {
      WC_MD5             =  WC_HASH_TYPE_MD5,
      WC_MD5_BLOCK_SIZE  = 64,
      WC_MD5_DIGEST_SIZE = 16,
      WC_MD5_PAD_SIZE    = 56
  };
  
  
  #ifdef WOLFSSL_MICROCHIP_PIC32MZ
      #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
  #endif
  #ifdef STM32_HASH
      #include <wolfssl/wolfcrypt/port/st/stm32.h>
  #endif
  #ifdef WOLFSSL_ASYNC_CRYPT
      #include <wolfssl/wolfcrypt/async.h>
  #endif
  
  #ifdef WOLFSSL_TI_HASH
      #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
  #elif defined(WOLFSSL_IMX6_CAAM)
      #include "wolfssl/wolfcrypt/port/caam/wolfcaam_sha.h"
  #else
  
  /* MD5 digest */
  typedef struct wc_Md5 {
  #ifdef STM32_HASH
      STM32_HASH_Context stmCtx;
  #else
      word32  buffLen;   /* in bytes          */
      word32  loLen;     /* length in bytes   */
      word32  hiLen;     /* length in bytes   */
      word32  buffer[WC_MD5_BLOCK_SIZE  / sizeof(word32)];
  #ifdef WOLFSSL_PIC32MZ_HASH
      word32  digest[PIC32_DIGEST_SIZE / sizeof(word32)];
  #else
      word32  digest[WC_MD5_DIGEST_SIZE / sizeof(word32)];
  #endif
      void*   heap;
  #ifdef WOLFSSL_PIC32MZ_HASH
      hashUpdCache cache; /* cache for updates */
  #endif
  #endif /* STM32_HASH */
  #ifdef WOLFSSL_ASYNC_CRYPT
      WC_ASYNC_DEV asyncDev;
  #endif /* WOLFSSL_ASYNC_CRYPT */
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
      word32 flags; /* enum wc_HashFlags in hash.h */
  #endif
  } wc_Md5;
  
  #endif /* WOLFSSL_TI_HASH */
  
  WOLFSSL_API int wc_InitMd5(wc_Md5*);
  WOLFSSL_API int wc_InitMd5_ex(wc_Md5*, void*, int);
  WOLFSSL_API int wc_Md5Update(wc_Md5*, const byte*, word32);
  WOLFSSL_API int wc_Md5Final(wc_Md5*, byte*);
  WOLFSSL_API void wc_Md5Free(wc_Md5*);
  
  WOLFSSL_API int  wc_Md5GetHash(wc_Md5*, byte*);
  WOLFSSL_API int  wc_Md5Copy(wc_Md5*, wc_Md5*);
  
  #ifdef WOLFSSL_PIC32MZ_HASH
  WOLFSSL_API void wc_Md5SizeSet(wc_Md5* md5, word32 len);
  #endif
  
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
      WOLFSSL_LOCAL int wc_Md5SetFlags(wc_Md5* md5, word32 flags);
      WOLFSSL_LOCAL int wc_Md5GetFlags(wc_Md5* md5, word32* flags);
  #endif
  
  #ifdef __cplusplus
      } /* extern "C" */
  #endif
  
  #endif /* NO_MD5 */
  #endif /* WOLF_CRYPT_MD5_H */
  